Home / 8,456,834,145.60-12,685,251,218.40-5,150,845,972.80

Finding the Fourth Proportional to 8,456,834,145.60, 12,685,251,218.40 and 5,150,845,972.80

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Solution

The fourth proportional to 8,456,834,145.60, 12,685,251,218.40 and 5,150,845,972.80 is: 7,726,268,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,456,834,145.60 : 12,685,251,218.40 = 5,150,845,972.80 : x
  2. Step 2: Convert to fraction form
    8,456,834,145.60/12,685,251,218.40 = 5,150,845,972.80/x
  3. Step 3: Cross multiply
    8,456,834,145.60x = 12,685,251,218.40 × 5,150,845,972.80
  4. Step 4: Simplify right side
    8,456,834,145.60x = 65,339,775,152,251,936,768
  5. Step 5: Solve for x
    x = 65,339,775,152,251,936,768/8,456,834,145.60
  6. Step 6: Final answer
    x = 7,726,268,959.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.